| Maverick Auto Ltd | Wholesale & retail | 2017 |
| Maxum Foods Limited | Extraterritorial | 2013 |
| MBA Consulting Services Ltd | Information & communication | 2015 |
| MC Wash Limited | Wholesale & retail | 2024 |
| Mccormac Tiling Limited | Construction | 2007 |
| Mediterranean Restaurant & Bar Limited | Hospitality | 2019 |
| MEP Business Solutions Limited | Administrative & support | 2018 |
| Mersey Chauffeurs Ltd | Transport & logistics | 2012 |
| Millard Carpentry & Construction Limited | Construction | 2018 |
| Minder Technology Ltd | Professional & scientific | 2017 |
| Mintdrop Ltd | Transport & logistics | 2019 |
| MK Towbars Ltd | Administrative & support | 2014 |
| MLC Photography Limited | Professional & scientific | 2013 |
| MOBILITY2YOU Ltd | Wholesale & retail | 2012 |
| Monument Roofing & Building (North East) Ltd | Construction | 2019 |
| Mooregolf Ltd | Arts & recreation | 2018 |
| Moreton Electrical Limited | Construction | 2016 |
| Moto Works Ltd | Wholesale & retail | 2012 |
| Movie Movers Ltd | Information & communication | 2020 |
| MP Clad Ltd | Construction | 2020 |
| My Business Client Ltd. | Information & communication | 2016 |
| Naifs Food Ltd | Hospitality | 2019 |
| Narvvi Skinwear Ltd | Wholesale & retail | 2020 |
| National Event Medical and Security Ltd | Administrative & support | 2023 |
| National Recycling Ltd | Wholesale & retail | 2021 |
| Nationwide Cars Limited | Wholesale & retail | 2004 |
| Naturally Yours (North East) Ltd | Other services | 2010 |
| Nature to Nurture Ltd | Education | 2012 |
| Navi Management Ltd | Information & communication | 2020 |
| NDC Plumbing & Heating Ltd | Manufacturing | 2014 |
| Nelasis Ltd | Transport & logistics | 2019 |
| Nelson PUB Co Limited | Hospitality | 2013 |
| Nemid Express Food Ltd | Hospitality | 2025 |
| Nerajah Ltd | Transport & logistics | 2021 |
| Nerasho Ltd | Transport & logistics | 2021 |
| Newlook Windows & Doors Ltd | Administrative & support | 2019 |
| Nicola Lane Associates Ltd | Professional & scientific | 2022 |
| Nitramic Trade Limited | Wholesale & retail | 2013 |
| NM Favours Limited | Manufacturing | 2018 |
| NMC Agencies Limited | Wholesale & retail | 2017 |
| Nmech Services Ltd | Construction | 2020 |
| Nolora Ltd | Transport & logistics | 2019 |
| Normie Holdings Limited | Financial services | 2025 |
| Normie Limited | Real estate | 2010 |
| North Bristol Space Exploration Ltd | Administrative & support | 2014 |
| North Star Restaurant Limited | Hospitality | 2019 |
| Northern Rose Leisure Ltd | Wholesale & retail | 2018 |
| Nosh Detox Delivery Limited | Wholesale & retail | 2009 |
| Nova Financial Ltd | Administrative & support | 2015 |
| Nova Prop Ltd | Administrative & support | 2016 |
| Novo (IOW) Ltd | Hospitality | 2016 |
| NQM Consulting Ltd | Information & communication | 2017 |
| Nuztpaeon Ltd | Administrative & support | 2021 |
| O & E Developments (UK) Ltd | Construction | 2018 |
| Okesack Security Limited | Administrative & support | 2016 |
| ON Point Auto Care Limited | Wholesale & retail | 2017 |
| Ordinary Lifestyles | Health & social care | 1996 |
| Ortis Logistics Ltd | Transport & logistics | 2023 |
| Osaskelo & Co Limited | Health & social care | 2019 |
| OY Head Ltd | Health & social care | 2021 |
| P & T Property Maintenance Limited | Construction | 2011 |
| PCR Solutions Ltd | Hospitality | 2014 |
| Peoples Association, Youthvision and Ngozi Nurseries Ltd | Education | 1996 |
| Performance Polo Ltd | Wholesale & retail | 2018 |
| Permeco Group Ltd | Wholesale & retail | 2022 |
| Perpetual Motion Limited | Real estate | 2013 |
| PG Plumbing and Heating Services Ltd | Construction | 2020 |
| Picture Made Prints Ltd | Manufacturing | 2020 |
| Ping 117 Ltd | Hospitality | 2023 |
| PJ Millward Ltd | Health & social care | 2022 |
| Places & Events Ltd | Information & communication | 2006 |
| Point Blank Group Limited | Arts & recreation | 2023 |
| Qhavzilla Ltd | Transport & logistics | 2021 |
| Rebate Assist Ltd | Administrative & support | 2023 |
| Rhazeton Ltd | Hospitality | 2021 |
| RM Rail Systems Engineering Ltd | Construction | 2015 |
| RMA (UK) Limited | Professional & scientific | 2010 |
| Rosimus Developments Limited | Construction | 2022 |
| Runic Studios Ltd | Information & communication | 2024 |
| S & P Builders Limited | Construction | 2012 |
| S G Andrews Limited | Wholesale & retail | 2020 |
| S-Raqai Group Ltd | Wholesale & retail | 2021 |
| Safes-Co.Uk Co Ltd | Wholesale & retail | 2010 |
| Sean White Aesthetics Ltd | Health & social care | 2019 |
| Shedsfirst Limited | Wholesale & retail | 2012 |
| Shropshire ITC Limited | Information & communication | 2011 |
| Sky Minibuses Ltd | Administrative & support | 2017 |
| Skylight Fitters & Pet Flap Installers Limited | Construction | 2020 |
| Solar Street Lighting Ltd | Wholesale & retail | 2005 |
| Sosduzic Ltd | Construction | 2021 |
| Southmoore Construction Ltd | Construction | 2023 |
| Spin 360 Limited | Construction | 2014 |
| ST Overhead Line Rail Limited | Professional & scientific | 2015 |
| STA Car Sales Ltd | Wholesale & retail | 2016 |
| Stag Lodge Group Limited | Construction | 2019 |
| Staks Souvlaki Bar Ltd | Other services | 2017 |
| Star Clean Oxford Limited | Administrative & support | 2019 |
| Starview Solutions Limited | Construction | 2003 |
| Stockburn Business Solutions Ltd | Administrative & support | 2019 |
| SU Management Limited | Real estate | 2006 |